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Finding the Fourth Proportional to 301.55, 452.31 and 93.32

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Solution

The fourth proportional to 301.55, 452.31 and 93.32 is: 139.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    301.55 : 452.31 = 93.32 : x
  2. Step 2: Convert to fraction form
    301.55/452.31 = 93.32/x
  3. Step 3: Cross multiply
    301.55x = 452.31 × 93.32
  4. Step 4: Simplify right side
    301.55x = 42,207.31
  5. Step 5: Solve for x
    x = 42,207.31/301.55
  6. Step 6: Final answer
    x = 139.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.